[ 3142.434573][T25068] gre: GRE over IPv4 demultiplexer driver
[ 3144.141300][T25091] ip_gre: GRE over IPv4 tunneling driver
[ 3192.779719][T25666] ip6_gre: GRE over IPv6 tunneling driver
[ 3226.439893][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3231.303865][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.462827][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.327841][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!