[ 4381.752230][T22412] gre: GRE over IPv4 demultiplexor driver
[ 4383.891228][T22435] ip_gre: GRE over IPv4 tunneling driver
[ 4446.544642][T23008] ip6_gre: GRE over IPv6 tunneling driver
[ 4489.468930][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4495.420857][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4500.348819][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4506.237836][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!