# Functions
Creates a new persistent (bind-mounted) network namespace and returns an object representing that namespace, without switching to it.
Ping shells out to the `ping` command.
SpecVersionHasChaining returns true if the given CNI specification version supports plugin chaining.
SpecVersionHasCHECK returns true if the given CNI specification version supports the CHECK command.
SpecVersionHasIPVersion returns true if the given CNI specification version includes the "version" field in the IP address elements.
SpecVersionHasMultipleIPs returns true if the given CNI specification version supports more than one IP address of each family.
SpecVersionHasSTATUS returns true if the given CNI specification version supports the STATUS command.
TmpResolvConf will create a temporary file and write the provided DNS settings to it in the resolv.conf format.
UnmountNS unmounts the NS held by the netns object.
# Variables
AllSpecVersions contains all CNI spec version numbers.