[ 2479.217315][T20911] ip_gre: GRE over IPv4 tunneling driver
[ 2567.790371][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2573.166370][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2577.518345][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2582.702374][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!